1. Temperature range: 0 °C ~ 50 °C / 32 °F ~ 122 °F
2. Temperature resolution: 0.1 ° C
3. Temperature deviation: ±1 °C
4. voltage: 1.5V
5. Working environment: temperature 0 ~ 50.0 ° C, relative humidity ≤ 85% RH, no corrosion, no strong electric radiation.
Ⅱ、 the basic functions
1. Celsius / Fahrenheit switching display
2.the highest / lowest temperature memory function
Ⅲ、 the operating instructions
MAX/MIN button: display memory highest/lowest temperature or clear highest/lowest temperature.
Press MAX/MIN in the normal state to switch between display maximum → minimum → current temperature. In this state, press and hold the MAX/MIN button for 2 seconds to clear the displayed maximum/minimum temperature and return to the current temperature display. If there is no operation in the middle, the meter will automatically return to the current temperature display after 8 seconds.
C/F conversion button: In the normal display state, press this button to achieve Celsius/Fahrenheit display conversion
Note: There is a buckle and a gusset on the back of the machine, which can be hung on the wall or placed on the plane. If the font is blurred, please replace the battery and pay attention to environmental protection.